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EVS-EN IEC 61158-4-24:2023

Industrial communication networks - Fieldbus specifications - Part 4-24: Data-link layer protocol specification - Type 24 elements

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Kehtiv alates 01.06.2023
Alusdokumendid
IEC 61158-4-24:2023; EN IEC 61158-4-24:2023
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Standardi ajalugu

Staatus
Kuupäev
Tüüp
Nimetus
01.06.2023
Põhitekst
02.07.2019
Põhitekst
The data-link layer provides basic time-critical messaging communications between devices in an automation environment.
This protocol provides communication opportunities to all participating data-link entities:
• in a synchronously-starting cyclic manner, according to a pre-established schedule, or
• in an acyclic manner, as requested by each of those data-link entities.
Thus, this protocol can be characterized as one which provides cyclic and acyclic access asynchronously but with a synchronous restart of each cycle.

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